package com.llf.config;

import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class Interceptor  implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
       Object user = request.getSession().getAttribute("user");
    if (user == null){
            request.setAttribute("msg","全限不足");
            response.sendRedirect("");
            return false;
        }else {
            return true;
        }

    }


}
